body {
    background-color: #f8f9fa;
}

.card {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    border: 1px solid rgba(0, 0, 0, 0.125);
}

.navbar-brand {
    font-weight: bold;
}

.table th {
    border-top: none;
}

.input-group {
    max-width: 400px;
}